pata_hpt3x3: major reworking and testing
The HPT343/345 (aka 363) is a bit of a warped device. For many setups you
need to access the other registers via BAR4 offsets. PIO is now rock
solid, DMA isn't. Unfortunately the drivers/ide hpt34x driver is
completely broken so doesn't help further debug.
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 4ad8675..d8046a1 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -309,7 +309,7 @@
If unsure, say N.
config PATA_HPT3X3
- tristate "HPT 343/363 PATA support (Experimental)"
+ tristate "HPT 343/363 PATA support"
depends on PCI
help
This option enables support for the HPT 343/363
@@ -317,6 +317,14 @@
If unsure, say N.
+config PATA_HPT3X3_DMA
+ bool "HPT 343/363 DMA support (Experimental)"
+ depends on PATA_HPT3X3
+ help
+ This option enables DMA support for the HPT343/363
+ controllers. Enable with care as there are still some
+ problems with DMA on this chipset.
+
config PATA_ISAPNP
tristate "ISA Plug and Play PATA support (Experimental)"
depends on EXPERIMENTAL && ISAPNP